Double loaded spear gun

ABSTRACT

A spear gun for supporting and firing two spears. The spear gun has a rear most portion supporting the nocked ends of the spears. The above mentioned rear most portion houses a trigger mechanism which selectively releases each of the two spears. The spears are propelled by resilient members which have ends anchored to a movable guided foot member that is moved forwardly along guides to a forward most position, during tensioning of the resilient members, where it is releasably attached to the spears&#39;&#39; forward support member.

United States Patent 1 1 Lo ez June 26 1973 P [54] DOUBLE LOADED SPEARGUN FOREIGN PATENTS OR APPLICATIONS 1 lhvemofl walfljid Lopez 24-46 44th501,128 11/1954 ltaly 43/6 s on 589,120 2/1959 Italy 43/6 Filed p 7 19711,188,935 9/1959 France 124/22 UX [21] Appl. No.: 132,006 PrimaryExaminer-Richard C. Pinkham Related U S Application Data AssistantExaminerWilliam R. Browne Attorn -Co st ntin A. Mi h l s [63]Continuation-impart of Ser. No. 879,766, Nov. 25, ey n a e C a o 1969,abandoned. [57] ABSTRACT 52] U.S. c1 124/22, 124/41, 124/31, A SpearsuPPmhhg and firing f- The 43/6 spear gun has a rear most portionsupporting the 51 Int. Cl. F4lb 7/04 ends The ahve mhtihed rear 58 Fieldof Search 124/22, 21, 17, 35, P huses trigger mechanism which 124/37 31,41; 43/6 tIvely releases each of the two spears. The spears arepropelled by resilient members which have ends an- 56] References Citedchored to a movable guided foot member that is moved forwardly alongguides to a forward most position, dur- UNITED STATES PATENTS ingtensioning of the resilient members, where it is releasably attached tothe spears forward support meme I o 2,997,998 8/1961 Traise..... 43/6 x3,016,891 1/1962 Ebeling 43/6 X 8 Claims, 11 Drawing Figures PAIENIEUM26 I913 SHEEI 1 0F 3 llll IL Pmmmmas ms 3,141. 190

SHEEY 2 I]? 3 FIG. 6

PAIENIEB M26 I973 INVEN'fOR. WALFRIDO R. LOPEZ 4 in J ATTORNEY DOUBLELOADED SPEAR GUN CROSS-REFERENCE TO RELATED APPLICATION This inventionis a continuation-in-part of application Ser. No. 879,766, filed Nov.25, 1969, now abandoned, by the same inventor, Walfrido R. Lopez, titledDOU- BLE LOADED SPEAR GUN.

BACKGROUND OF THE INVENTION The present invention relates generally tounderwater equipment and more particularly to a double loading speargun. This invention has been designed to provide the scuba diver orunderwater fisherman with a spear gun capable of propelling two spearsindependently and with a simultaneous double loading system.

The advantage of having a double shot in a weapon of this kind isrecognizable in that in the act of underwater hunting the speared fishmay still try to escape capture and a second shot may be needed tocomplete the hunt. Further, if the first shot missed the targetcompletely a second shot will be needed to spear the fish.

The simultaneous double loading system gives the scuba diver theconvenience of loading two spears at the same time with a minimum effortof his arms and legs, resulting in a more enjoyable sport.

Its also an object of the present invention to give the scuba diver aspear gun light in weight and soundness in its operation which arefactors extremely important in underwater hunting.

Another object of this invention is to provide for a spear gun that issolid, simple in construction easy to fabricate and modest in cost.

Other objects and many additional advantages will be more readilyunderstood by those skilled in the art after a detailed consideration ofthe following specification taken with the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a general view of theassembly of the spear gun in accordance with a preferred embodiment ofthe invention;

FIG. 2 is a rear view of one element of the invention of FIG. 1;

FIG. 3 is a sectional view of the element of FIG. 2 taken along line3-3;

FIG. 4 is a rear view of another element of the invention of FIG. 1;

FIG. 5 is a sectional view of the element of FIG. 4 taken along line 55;

FIG. 6 is a sectional view of still another element of the invention ofFIG. 1.

FIG. 7 is a general view of the assembly of the spear gun in accordancewith another embodiment of the invention;

FIG. 8 is a rear view partly in section of one element of the inventionof FIG. 7;

FIG. 9 is a sectional view of the element of FIG. 8 taken along line9-9;

FIG. 10 is a detail view of still another element of the invention; and

FIG. 11 is a sectional view-taken along line 11-11 of FIG. 10.

The spear gun shown in the drawing includes a docking head member 22extending transversally of the spear gun. having upper and lowerdisposed through holes 26 to guide spears 28, and a running board 23having a forwardly extending portion 8.

The docking head member 22 has two cavities 27 extending inwardly fromits rear side for receiving and connecting two elongated cylindricaltubes 25.

'The running board member 23 also extends transversally of the spear gunhaving in its upperportion two symmetrical holes 14 with slightlydifferent internal diameters from the external diameters of the tubes25, 23 adapted to embrace said tubes 25 allowing the running board 23 toslide over said cylindrical tubes 25.

The running board 23 has attached at its rear side four pairs ofresilient elements 11 with two pairs of upper socket portions 33 and twopairs of lower socket portions 32. Each socket is adapted to receiveplugs at the ends of the resilient members 11 which in turn are screwedto the sockets 33 and 32. The members 11 are adapted to propel the twospears 28, That is two pairs of member 11 is adapted to propel onespear.

The resilient members 11 engage the spears 28 by means of U-shaped wires12 which attach to notches 21 of the spears 28, shown in FIG. 6.

The forwardly extending portion 8 of the running board 23 includes apair of hooks 9 which are pivotal about a pin 30 and which are urgedradially outwardly by a spring 10. The hook 9 of the forwardly extendingportion 8 operates within the hole 7 of the docking head member 22 forengagement of the docking head 22 with the running board 23. That is themember 8 is centered and directed to pass through hole 7 of the dockinghead member 22. Then the hooks 9 pivot radially inwardly to a closedposition for passing into the hole 7 and pivot radially outwardly forlocking the running board 23 to the docking head 22.

The running board member 23 has in its central part, a U-shaped opening31 extended downwardly to avoid friction between the spear and therunning board. The running board 32 having laterally axial divergentlyand downwardly extended stirrups 13.

A pistol member 35 has in its upper portion two longitudinally disposedsockets 29 to receive end parts of the cylindrical tubes 25, and spearsockets 20 shown in FIG. 6 extending inwardly from its front edge forreceiving the rear ends of the spears 28.

A trigger mechanism 24 is composed of two triggers 15 pivotally mountedin the pistol member 35. The trigger mechanism 24 having two retractingpins 18 upwardly projected, with angle shape terminals extendingperpendicularly into the spear sockets 20 and been urged in an upwardlydirection by springs 17.

It is apparent that by inserting the rear end of the spears 28 into thespear sockets 20, the butt of the spear striking the angle shapeterminals will cause the pins 18 to slide downwardly. The springs 17will cause the pins 18 to slide upwardly into the holes 19 of each spear28 locking the spears 28 in a loaded position.

The trigger mechanism 24 have members 16 to transfer the backwardlytrigger movement into a downwardly retracting pin movement to releasethe spear for firing.

The ends of the two elongated cylindrical tubes 25 are inserted, intothe two cavities 27 of the docking head member 22 and into the sockets29 of the upper part of the pistol member 35, serving at the same timeto align the running board 23. The cylindrical tubes 25 may be held tothe docking head member 22 and the pistol member 35 by a tightfrictional fit or by other 3 suitable mean, to seal the tubes, for thepurpose of creating an air chamber in the cylindrical tubes, givingfloatability and reducing the weight of the spear gun while underwater.The two spears 28 are disposed parallel to said tubes 25 in an upper andlower position.

in another embodiment, shown in FIGS. 7 to 11, the spear gun utilizesthe pistol member 35 and docking head member 22, as in the firstembodiment of this invention but supports a different type of runningboard 50. The running board 50 includes rollers 52 which permit therunning board 50 to move longitudinally along tubes 54 sustantially withno friction in the loading and the firing operation of'the spears 28.The running board 50 also includes a pair of pivotal members 56 whichcan be used in their extended position, shown in FIGS. 8 and 9, for theloading operation of the spears. The pivotal members 56 are retracted asshown by arrows 58, to a closed position, shown in phantom 60, when thescuba diver wishes to travel through the water.

As shown in FIGS. 10 and 11 the resilient elements 11 are connected toacircular member 62 which contact the spears 28, at a reduced neck area64, when the spear gun is loaded. The circular member 62 also is used inpropelling the spear through the gun when the spear is fired.

The purpose of this spear gun is to shoot the spears underwater at areasonable distance and with sufficient force to penetrate through, andhook substantially most types of fishes.

In its operation the spears 28 are inserted through the holes 26'of thedocking head members 22 of the spear gun and into spear sockets 20. Thebutt of the spear striking the angle shaped terminals of the pin 18 forretraction of the pin and locking the spears in a loaded position withinthe pistol member 35.

The elongation of the resilient members 11 the U shaped wires 12 areinserted within notches 21 of the spears 28. The scuba diver then placesboth his feet against the running board 23 and while holding the speargun with his hands presses against the running board which will slide orroll along the tubes 25 or 54 until the running board 23 engages thedocking head 22. The forwardly extending portion 8 of the running boardwould pass through the hole 7 of the docking head 22 for engagementtherewith by the hooks 9.

By pullingback on one trigger 15 one pin 18 will release one spear andthe stressed resilient member will propell the spear through the speargun towards its target.

While the present invention has been described in preferred embodiments,it will be obvious to those skilled in the art that variousmodifications can be made therein within the scope of the invention.

What is claimed is:

l. A spear gun for use by a scuba diver in singularly firing two spears,comprising spears, a docking head member positioned at the forward endof the gun for supporting and guiding the spears therethrough, a runningboard member slidably connected to and spaced rearwardly from saiddocking head member, means resiliently interconnecting the spears whenthe latter are in a cocked position, and said running board member,whereby said running board member is movable to a forward position bythe feet of a user totension said resiliently interconnecting means,said running board member having a means for locking said running boardmember to the docking member when said resiliently interconnecting meansis fully extended and tensioned, and a mechanism for selectivelyreleasing each of said spears.

2. The structure of claim 1 wherein said locking means comprises hookmeans interposed between said docking head member and said running boardmember and operable for engaging said running board member with saiddocking board member in loading the spear gun with the two spears.

3. The structure of claim 2 wherein said running board member includes aforwardly extending portion,

said means for engaging said running board member includes a pair ofhooks operable from the forward end of said forwardly extending portion,and said docking head member includes a hole for receiving said meansfor engaging said running board member means operably urging said meansfor engaging said running board member radially outwardly for lockingthe running board member with said docking head member during theloading operation of the spear gun.

4. The structure of claim 1 further comprises a pair of cylindricaltubes extending from said means for selectively releasing each of saidspears to said docking board member and wherein said running boardmember is interposed therebetween and slidably supportable by saidcylindrical tubes during the operation of loading and firing the saidspears.

5. The structure of claim 1 further comprises a plurality of rollersinterposed between said cylindrical tubes and said running board memberpermitting said running board member to roll along said cylindricaltubes.

6. The structure of claim 1 wherein said running board member furthercomprises a pair of pivotal members operably rotatable into a foldedposition and operably rotatable into an open position transverse to saidcylindrical tubes and presenting foot rests for a users feet during theloading opertion of the spear gun.

7. The structure of claim 1 wherein each includes an indentedcylinderical portion and said resiliently inter-' connecting meansincludes a circular member for engaging the indented cylindericalportion of the spears during in the loading and firing of the spear.

8. The structure of claim 1 wherein each includes a transverse socketsand wherein said trigger mechanism includes a means operably extendingperpendicularly into each spear socket and operable for retractionduring releasing and firing the spear.

1. A spear gun for use by a scuba diver in singularly firing two spears,comprising spears, a docking head member positioned at the forward endof the gun for supporting and guiding the spears therethrough, a runningboard member slidably connected to and spaced rearwardly from saiddocking head member, means resiliently interconnecting the spears whenthe latter are in a cocked position, and said running board member,whereby said running board member is movable to a forward position bythe feet of a user to tension said resiliently interconnecting means,said running board member having a means for locking said running boardmember to the docking member when said resiliently interconnecting meansis fully extended and tensioned, and a mechanism for selectivelyreleasing each of said spears.
 2. The structure of claim 1 wherein saidlocking means comprises hook means interposed between said docking headmember and said running board member and operable for engaging saidrunning board member with said docking board member in loading the speargun with the two spears.
 3. The structure of claim 2 wherein saidrunning board member includes a forwardly extending portion, said meansfor engaging said running board member includes a pair of hooks operablefrom the forward end of said forwardly extending portion, and saiddocking head member includes a hole for receiving said means forengaging said running board member means operably urging said means forengaging said running board member radially outwardly for locking therunning board member with said docking head member during the loadingoperation of the spear gun.
 4. The structure of claim 1 furthercomprises a pair of cylindrical tubes extending from said means forselectively releasing each of said spears to said docking board memberand wheRein said running board member is interposed therebetween andslidably supportable by said cylindrical tubes during the operation ofloading and firing the said spears.
 5. The structure of claim 1 furthercomprises a plurality of rollers interposed between said cylindricaltubes and said running board member permitting said running board memberto roll along said cylindrical tubes.
 6. The structure of claim 1wherein said running board member further comprises a pair of pivotalmembers operably rotatable into a folded position and operably rotatableinto an open position transverse to said cylindrical tubes andpresenting foot rests for a user''s feet during the loading opertion ofthe spear gun.
 7. The structure of claim 1 wherein each includes anindented cylinderical portion and said resiliently interconnecting meansincludes a circular member for engaging the indented cylindericalportion of the spears during in the loading and firing of the spear. 8.The structure of claim 1 wherein each includes a transverse sockets andwherein said trigger mechanism includes a means operably extendingperpendicularly into each spear socket and operable for retractionduring releasing and firing the spear.